Corkscrew



FIG. 1 shows a front view of a corkscrew according to my new design, therear view being the same;

FIG. 2 shows a leftside view of the corkscrew shown in FIG. 1;

FIG. 3 shows a rightside view of the corkscrew shown in FIG. 1;

FIG. 4 shows a bottom view of the corkscrew shown in FIG. 1; and,

FIG. 5 shows a top view of the corkscrew shown in FIG. 1.

The ornamental design for a corkscrew, as shown and described.